Vote and submit new features

Maybe if the towers could level up after getting kills. But, if you choose to implement this, make it so that is takes awhile and the better the tower the longer it takes and if you walk over the tower you can see the progress till the next level, damage, range, speed ECT.

What if you could sell? So if you dont need a tower anymore you could take it down and sell it for maybe %60 of the cost. If it is fully level'd maybe %100? Or more? Or if you have your fort done but you want to fortify it you can sell extra wood, wheat ECT.

The upgrade idea is awesome, however towers can already be sold you just need to pick them up and have them in your inventory go over to the merchant slide over a couple of menus and you have the option to sell anything in your inventory.